Coating thickness gauge



FIG. 1 is a perspective view from the front left;

FIG. 2 is a perspective view from the front right;

FIG. 3 is a front view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a partial front view showing a display;

FIG. 7 is a partial front view showing a key pad;

FIG. 8 is a perspective view from the top;

FIG. 9 is a bottom view; and,

FIG. 10 is a rear view.

The edge views of the table do not constitute apart of the claimeddesign.

The ornamental design for a coating thickness gauge, as shown.